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| B_YS-W2 Series FIXED INPUT ISOLATED & UNREGULATED 0.25W SINGLE OUTPUT MINIATURE SIP PACKAGE FEATURES Small Footprint Miniature SIP Package 1KVDC Isolation Temperature Range: -40C to +85C Internal SMD Construction Industry Standard Pinout No Heat sink Required No External Component Required PCB Mounting RoHS Compliance multi-country patent protection RoHS Input Output Voltage (VDC) 3.3 5 3.3 5 5 4.5-5.5 9 12 15 3.3 5 12 10.8-13.2 9 12 15 5 24 21.6-26.4 9 12 15 Current (mA) Max 76 50 76 50 28 21 17 76 50 28 21 17 50 28 21 17 Min 7.6 5 7.6 5 3 2.1 1.7 7.6 5 3 2.1 1.7 5 3 2.1 1.7 62 65 62 64 65 67 65 62 65 66 67 66 63 63 65 65 Efficiency (%, Typ) PRODUCT PROGRAM Part Number B0303YS-W2 B0305YS-W2 B0503YS-W2 B0505YS-W2 B0509YS-W2 B0512YS-W2 B0515YS-W2 B1203YS-W2 Voltage (VDC) Nominal 3.3 Range 2.97-3.63 APPLICATIONS The B_YS-W2 Series are specially designed for applications where a single power supply is isolated from the input power supply in a distributed power supply system on a circuit board. These products apply to: 1) 2) 3) Where the voltage of the input power supply is fixed (voltage variation 10%); Where isolation is necessary between input and output (isolation voltage1000VDC); Where the regulation of the output voltage and the output ripple and noise are not demanding. Such as: purely digital circuits, ordinary low frequency analog circuits and IGBT power device driven circuits, etc. B1205YS-W2 B1209YS-W2 B1212YS-W2 B1215YS-W2 B2405YS-W2 B2409YS-W2 B2412YS-W2 B2415YS-W2 ISOLATION SPECIFICATIONS Item Isolation voltage Isolation resistance Test Conditions Tested for 1 minute and 1mA max Test at 500VDC Min 1000 1000 Typ. Max Units VDC M OUTPUT SPECIFICATIONS Item Test Conditions For Vin change of 1%(3.3V output) For Vin change of 1%(others ) 10% to 100% load (3.3V output) 15 12.8 8.3 6.8 6.3 Min Typ. Max 1.5 1.2 20 15 10 10 10 % Units MODEL SELECTION Line regulation B0505Y S-W2 Rat e d P o wer P ack age S ty le O utp ut Voltag e I npu t Vo lt age P rod uct S erie s Output voltage accuracy Temperature drift MORNSUN Science& Technology co.,Ltd. Address: 2th floor 6th building, Huangzhou Industrial District, Guangzhou, China Tel: 86-20-38601850 Fax:86-20-38601272 Http://www.mornsun-power.com 10% to 100% load (5V output) Load regulation 10% to 100% load (9V output) 10% to 100% load (12V output) 10% to 100% load (15V output) See tolerance envelope graph 100% full load 20MHz Bandwidth Full load, nominal input 50 100 0.03 %/C 75 mVp-p KHz Ripple & Noise* Switching frequency *Test ripple and noise by "parallel cable" method. See detailed operation instructions at Testing of Power Converter section, application notes. Note: 1.All specifications measured at TA=25C, humidity<75%, nominal input voltage and rated output load unless otherwise specified. 2.See the recommended circuits for more details. MORNSUN reserves the copyright Specifications subject to change without notice. B_YS-W2 A/0-2008 Page 1 of 2 COMMON SPECIFICATION Item Storage humidity Operating temperature Storage temperature Temp. rise at full load Lead temperature Short circuit protection* Cooling Case material MTBF Weight *Supply voltage must be discontinued at the end of short circuit duration. 3500 1.6 1.5mm from case for 10 seconds -40 -55 15 Test Conditions Min Typ Max 95 85 125 25 300 1 Free air convection Plastic(UL94-V0) K hours g S C Units % APPLICATION NOTE Requirement on output load To ensure this module can operate efficiently and reliably, During operation, the minimum output load is not less than 10% of the full load, and that this product should never be operated under no load! If the actual output power is very small, please connect a resistor with proper resistance at the output end in parallel to increase the load. Recommended circuit If you want to further decrease the input/output ripple, an "LC" filtering network may be connected to the input and output ends of the DC/DC converter, see (Figure 1). L L +Vo TYPICAL CHARACTERISTICS Vin C GND DC DC (Figure 1) C 0V It should also be noted that the inductance and the frequency of the "LC" filtering network should be staggered with the DC/DC frequency to avoid mutual interference. However, the capacitance of the output filter capacitor must be proper. If the capacitance is too big, a startup problem might arise. It's not recommended to connect any Operating Temp.(oC) external capacitor in the application field . Output Voltage Regulation and Over-voltage Protection Circuit The simplest device for output voltage regulation, over-voltage and over-current OUTLINE DIMENSIONS & FOOTPRINT DETAILS First Angle Projection RECOMMENDED FOOTPRINT Top view,grid:2.54mm(0.1inch), diameter:1.00mm protection is a linear voltage regulator with overheat protection that is connected to the input or output end in series (Figure 2). Vin GND REG +Vout DC DC 0V REG 1 2 3 4 Vin +Vout DC DC GND 0V (Figure 2) 6.00 1 2 34 FOOTPRINT DETAILS Pin 1 Note: Unit:mm(inch) Pin section:0.50*0.30mm(0.020*0.012inch) Pin toler ances: 0.10mm( 0.004inch) General tolerances: 0.25mm( 0.010inch) Function Vin GN D 3 4 0V +Vo No parallel connection or plug and play. Overload Protection Under normal operating conditions, the output circuit of these products has no protection against overload. The simplest method is to connect a self-recovery fuse in series at the input end or add a circuit breaker to the circuit. MORNSUN reserves the copyright Specifications subject to change without notice. B_YS-W2 A/0-2008 Page 2 of 2 |
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